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solar panel for alternative energy, Dust-free workshop.
Empty chemistry laboratory of middle school in China
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Salgen, Germany - September 25, 2022: 1959 Porsche 356A Cabriolet german oldtimer vintage sports car in a picturesque landscape.
Rotary woodworking machine on exhibition
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Old LED light bulb with space on stone background, electronic waste, brocken light bulb
coins with electronic bulb
Life scientist researching in laboratory. African-American young male scientist looking at the microscope slides in laboratory. Healthcare and biotechnology concept.
chemical in glass, chemical in the laboratory and industry, Chemicals used in the analysis
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HVAC installation for a large office building.
Light bulb with drawing graph
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Detail of cement factory with sieves
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